The character in "Les Misérables" realizes a profound truth that fundamentally changes his life. He understands that as long as the woman he loves is alive and by his side, she will be his only source of fulfillment. This realization shifts his priorities and gives him a sense of purpose.

Moreover, with this deep love comes a new sense of vulnerability. His greatest concern now rests solely on her well-being; her safety becomes his primary fear. This dynamic illustrates the powerful connection between love and the emotional risks that accompany it, reflecting the complexities of human relationships.